At first glance, this beautiful blue-toned illustration looks like nothing more than a decorative window opening into a surreal cosmic background. But take a closer look: which way is the window ...

Allen Institute researcher Jerome Lecoq points to one of the diagrams that was used in a study focusing on how the brain interprets optical illusions. (Allen Institute Photo / Erik Dinnel) Our brains ...

You are hardly alone if you believe that humanity is divided into two great camps: the left-brain and the right-brain thinkers — those who are logical and analytical vs. those who are intuitive and ...